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Saturday, 19 May 2018 | John
I bought two of these to operate a two speed cooling fan. They were fitted over the winter but have now been actually used for real in hot conditions in southern Europe. One has failed. In my view this item has two problems. Firstly, despite being rated for 70 amps it appears to have exactly the same internals as the 40 amp relay, including very small make/break contacts. Secondly, the main power input connector is located in the housing in a very mechanically weak manner which, in my case, failed to resist the effort required to push on a tight terminal. This resulted in the terminal wobbling in the case which, as it is a single pressing incorporating the contract, made its function erratic. If you buy one of these treat it very gently and, given its contact sizes, don't expect it to withstand heavy use.